Base | Representation |
---|---|
bin | 11100010000000000… |
… | …110010001101111101 |
3 | 2220021222122222221220 |
4 | 130100000302031331 |
5 | 444110323142341 |
6 | 21533542143553 |
7 | 2122455515100 |
oct | 342000621575 |
9 | 86258588856 |
10 | 30333412221 |
11 | 11956469622 |
12 | 5a66721bb9 |
13 | 2b25491038 |
14 | 167a838737 |
15 | bc8037a66 |
hex | 71003237d |
30333412221 has 48 divisors (see below), whose sum is σ = 47413840320. Its totient is φ = 17199060480.
The previous prime is 30333412189. The next prime is 30333412223. The reversal of 30333412221 is 12221433303.
It is not a de Polignac number, because 30333412221 - 25 = 30333412189 is a prime.
It is a super-2 number, since 2×303334122212 (a number of 22 digits) contains 22 as substring.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 30333412191 and 30333412200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30333412223) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10874695 + ... + 10877483.
It is an arithmetic number, because the mean of its divisors is an integer number (987788340).
Almost surely, 230333412221 is an apocalyptic number.
It is an amenable number.
30333412221 is a deficient number, since it is larger than the sum of its proper divisors (17080428099).
30333412221 is a wasteful number, since it uses less digits than its factorization.
30333412221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3354 (or 3347 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 24.
Adding to 30333412221 its reverse (12221433303), we get a palindrome (42554845524).
The spelling of 30333412221 in words is "thirty billion, three hundred thirty-three million, four hundred twelve thousand, two hundred twenty-one".
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